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- BIOMOLECULES Please answer the questions properly. - Multiple choice Qyestion 1: If a cell has an adequate supply of adenine nucleotides but requires more guanine nucleotides for protein synthesis: 1. Glutamine-PRPP amidotransferase will not be fully inhibited. 2. AMP will be a feedback inhibitor of the condensation of IMP with aspartate. 3. ATP will stimulate the production of GMP from IMP. 4. ATP will inhibit nucleoside diphosphate reductase. А. 1, 2, and 3 В. 2 and 4 С. 1, 2, 3, and 4 D. 1 and 3BSC1010C Enzymes & Cellular Regulation Dr. Harris Amylase is an enzyme found primarily in saliva and pancreatic secretions. It catalyzes the breakdown of starch into sugars. A Rate of reaction 0 20 60 40 Temperature, C C Rate of reaction 80 100 B Rate of reaction Enzyme concentration (Substrate concentration always in excess) Substrate concentration (Enzyme concentration constant) The above graphs (A, B & C) provide data on several factors that affect the activity and function of amylase in living organisms. 11. What variables are compared in graph A? What information can be obtained from this data?5. Matching Type Match Column A with Column B. Write your answer on the space provided. CAPITAL letters only. Column A Column B 1.. Citrate → Isocitrate 2. Fumarate → Malate 3. Fructose-1,6-bisphosphate → G3P and DHAP 4. PEP → Pyruvate 5. a-Ketoglutarate → Succinyl-CoA 6. Substrate-level phosphorylation 7. Oxidative decarboxylation 8. Reduction 9. Isomerization 10. Condensation 11. Fumarate → Malate 12. Citrate → Isocitrate 13. Succinate → Fumarate 14. Succinyl-CoA → Succinate 15. Malate → Oxaloacetate 16. Pyruvate → Acetaldehyde 17. Pyruvate → Acetyl-CoA 18. PEP → Pyruvate 19. 2-Phospoglycerate → PEP 20. Glucose Glucose-6-phosphate A. Succinate dehydogenase B. Succinyl-CoA synthetase C. Malate dehydrogenase D. Fumarase E. Citrate synthase E. Isocitrate → a-Ketoglutarate F. 3-Phosphoglycerate → 2-Phosphoglycerate F. Aconitase G. Acetyl-CoA + Oxaloacetate → Citrate G. Glycolysis H. Pyruvate → Lactate I. Glucose-6-phosphate → Fructose-6-Phosphate K. Kreb's cycle U. Enolase V. Hexokinase…
- MULTIPLE CHOICE - Please answer properly QUESTION : Supposed you want to use phosphoglucomutase to breakdown glycogen. You found out that this enzyme is responsible for converting glucose l-phosphate (C6H1309P) to glucose-6-phosphate (C6H1309P). Based on this action, to which enzyme class does phosphoglucomutase belong? A. Isomerase B. Oxidoreductase C. Lyase D. Ligasets.edu.au/courses/26618/quizzes/67363/take Question 14 Select the correct statements. The enzymes used in glycolysis involves __________. Note there might be more than 1 correct statement. e to search U kinases to transfer phosphate groups between ADP and ATP kinases to rearrange carbon bonds in sugar molecules isomerases to phosphorylate sugar molecules hydrolases to rearrange carbon bonds in sugar molecules oxidoreductases to transfer electrons between molecules l 88 16°C G N Paused Upda ENG 10:55 PMCHOOSE THE CORRECT LETTER ONLY. PLS ANSWER 1.What is the product of the reaction catalyzed by glucosephosphate isomerase?A.glyceraldehyde-3-phosphateB. glucose-6-phosphateC.fructose-6-phosphateD."fructose-1.6-bisphosphate" 2.Catabolic pathways generally aim to produce ATP and precursors of anabolic reactons.A. TrueB. False
- Question: Role of the triacyl glycerol cycle. Summarize the cycle referring to Figure 19.9. What role does the cycle play in metabolism? Here are some infromation: Metabolic integration within the human body depends on the redistribution of metabolites, ions, and hormones by the circulatory system. This complex network consists of ∼150,000 km of blood vessels (from major veins and arteries to microcapillaries) that recycle 6 L of blood every minute throughout the body. The circulatory system links together the major tissues and organs of the body in such a way that biochemical pathways in different cells share metabolites, ensuring that the metabolic efficiency of the whole organism is greater than the sum of its parts. This process of maintaining optimal metabolite concentrations and managing chemical energy reserves in tissues is called metabolic homeostasis. This term describes steady-state conditions that apply to a wide variety of physiologic parameters. Metabolic homeostasis is…uizzes/67365/take Based on the image below, select the correct statements. Note: There may be more than 1 correct response. I Ribose 5-phosphate ribose phosphate pyrophosphokinase (PRPP synthetase) glutamine-PRPP amidotransferase adenylosuccinate synthetase AMP > 5-Phosphoribosylamine I adenylosuccinate PRPP lyase 9 steps Adenylosuccinate AMP IMP <-- ADP - AMP <-- GMP <-- IMP IMP dehydrogenase <- GMP - XMP ADP ATP GMP يمد XMP-glutamine amidotransferase Increased levels of ADP inhibit the production of PRPP. Increased levels of GMP inhibit the production of XMP. O Increased ADP activates PRPP synthase to increase PRPP levels. Increased IMP activates glutamine-PRPP amidotransferase to further increase IMP levels. 8 OBCPlease answer as many as possible 1. Substrate regulation of glycolysis and citric acid cycle (fructose-2,6-bisphosphate, fructose-1,6-bisphosphate, ADP, AMP-positive effectors of glycolysis enzymes; ATP, citrate, NADH, acetyl-CoA-negative effectors of glycolysis enzymes; ADP, AMP-positive effectors of citric acid cycle enzymes; ATP, NADH-negative effectors of citric acid cycle enzymes). 2. The role of the liver in the regulation of glucose concentration. 3. Hormonal regulation of glucose metabolism (the influence of epinephrine, glucagon, glucocorticoids, ACTH, STH, the central role of insulin in regulation of glucose metabolism). 4. Peculiarities of carbohydrate metabolism in the liver and muscles. 5. Peculiarities of carbohydrate metabolism in tumor cells.
- Please answer clearly and directly.Give 3 types of specificity of enzyme and an example for each. Example: Relative Specificty - α-amylase enzyme can hydrolyze α-1-4 glycosidic linkage in starch and glycogenPlz answer correctly do not copy. Question- Arsinate binds to reduced thio groups such as those found in cystiene residues in proteins, lipoate or glutathione. The resulting inhibition leads to central nervous system pathologies. The binding of arsinate to the dihydrolipoyl groups inhibits which of the following enzyme(s)? succinate dehydrogenase malate dehydrogenase pyruvate dehydrogenase complex branched-chain amino acid dehydrogenase complex isocitrate dehydrogenase alpha-ketoglutarate dehydrogenase complexQuestion:- Write two paragraphs that describe how phosphofructokinase-1 and fructose 1,6-bisphosphatase are regulated in a coordinated and reciprocal manner. The first paragraph should describe how the enzymes are regulated in response to energy needs in muscle cells. The second paragraph should describe how the hormones glucagon and insulin exert their effects via fructose 2,6-bisphosphate in liver cells.